| Name | Total | ... |
|---|---|---|
| Oishii Udon | 1 | GO |
| OJ | 1 | GO |
| OJmomo | 2 | GO |
| Ojopie Sentimental | 2 | GO |
| Ojou No Yokushitsu | 12 | GO |
| Oka No Ue | 1 | GO |
| Okadatei | 11 | GO |
| Okano Hajimetei | 2 | GO |
| Okarutou | 1 | GO |
| Okashi Factory | 1 | GO |
| Okashi Tai | 2 | GO |
| Okatoraya | 1 | GO |
| OkayuShop | 2 | GO |
| Okina Flying Factory | 7 | GO |
| Okina Keikaku | 18 | GO |
| Okina Utsuwa | 3 | GO |
| Okinawa Taieki Gunjinkai | 3 | GO |
| Okiraku-tei | 1 | GO |
| OKKI | 1 | GO |
| Okkinoko | 1 | GO |
| Okosama Lunch | 1 | GO |
| Okujo Kantorera | 1 | GO |
| Old School Academy | 1 | GO |
| Old Weapon | 5 | GO |
| oldwiseman | 4 | GO |
| O-Mars | 13 | GO |
| Omaru Bokujou | 1 | GO |
| Omatsurikibun | 1 | GO |
| Omchicken | 2 | GO |
| Omchiken | 1 | GO |
| Omega 2-D | 3 | GO |
| Omega Circuit | 1 | GO |
| Omega House | 1 | GO |
| OMEGA Star | 11 | GO |
| Omiotsuke | 1 | GO |
| Omizuya | 1 | GO |